<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script>
    //是不同浏览器的信息
//    console.log(navigator.userAgent);
    //系统的信息
//    console.log(navigator.platform);



  </script>
</head>
<body>


</body>
</html>